Pension Plans and Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule Of Defined Benefit Plans Disclosures

For the three month periods ended September 30, 2015 and 2014, the components of pension expense and components of other postretirement benefit expense for the Company’s defined benefit plans included the following (in millions):

	Pension Benefits						Other Postretirement Benefits
	Three months ended September 30,						Three months ended September 30,
	2015			2014			2015		2014
Service cost - benefits earned during the year	$	5.7		$	7.3		$	0.7	$	0.7
Interest cost on benefits earned in prior years	30.3			33.4			4.4		6.0
Expected return on plan assets	(42.1		)	(46.1		)	—		(0.1		)
Amortization of prior service cost (credit)	0.3			0.6			1.2		(0.8		)
Amortization of net actuarial loss	15.1			18.5			3.7		3.6
Total retirement benefit expense	$	9.3		$	13.7		$	10.0	$	9.4

For the nine month periods ended September 30, 2015 and 2014, the components of pension expense and components of other postretirement benefit expense for the Company’s defined benefit plans included the following (in millions):

	Pension Benefits						Other Postretirement Benefits
	Nine months ended September 30,						Nine months ended September 30,
	2015			2014			2015		2014
Service cost - benefits earned during the year	$	17.1		$	22.0		$	2.1	$	2.1
Interest cost on benefits earned in prior years	90.8			100.2			13.4		18.0
Expected return on plan assets	(126.2		)	(138.2		)	—		(0.2		)
Amortization of prior service cost (credit)	0.9			1.8			3.6		(2.3		)
Amortization of net actuarial loss	45.3			55.5			10.9		10.6
Termination benefits	—			0.3			—		—
Total retirement benefit expense	$	27.9		$	41.6		$	30.0	$	28.2